. . "CPython is the default, most widely used implementation of the Python programming language. It is written in C. In addition to CPython, there are other \"production-quality\" Python implementations: Jython, written in Java for the JVM, PyPy, written in RPython and translated into C, and IronPython, which is written in C# for the Common Language Infrastructure. There are also several experimental implementations.CPython is a source code interpreter."@en . "CPython"@en . "3.5.0 /" . . . . "2.7.10 /" . .